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ISW to FLF: distance & flight time
Wisconsin Rapids (Alexander Field South Wood County Airport) → Flensburg (Flensburg-Schäferhaus Airport)
4,122 mi
6,634 km · 3,582 nm
8h 33m
estimated nonstop flight time
+7h
time difference · heading northeast
See live ISW→FLF fares Phone-only fares on this route — call free
Flight time details
4,122 miles nonstop takes roughly 8h 33m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- ISW — Alexander Field South Wood County Airport · Wisconsin Rapids, United States
- FLF — Flensburg-Schäferhaus Airport · Flensburg, Germany
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near ISW
- STE · Stevens Point Municipal Airport20 mi away
- MFI · Marshfield Municipal Airport26 mi away
- CWA · Central Wisconsin Airport30 mi away
- VOK · Volk Field36 mi away
Near FLF
- SGD · Sønderborg Airport21 mi away
- WBG · Schleswig Air Base22 mi away
- SKS · Skrydstrup Air Base31 mi away
- KEL · Kiel-Holtenau Airport41 mi away
Frequently asked questions
How far is ISW from FLF?
The flight distance from Wisconsin Rapids (ISW) to Flensburg (FLF) is 4,122 miles (6,634 km, 3,582 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISW to FLF?
A nonstop flight takes about 8h 33m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Wisconsin Rapids and Flensburg?
Flensburg is 7 hours ahead of Wisconsin Rapids.
What is the cheapest way to fly from ISW to FLF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISW–FLF that never appear on search engines, with no booking fees.